Works exactly as expected.

Great plugin…running on a subdirectory installation on Wamp server (@ localhost) and its working on a network wordpress install with custom theme without issue.
Also installed on a production server on a standalone wordpress site…absolutely brilliant.

Very happy

Only suggestion that i will add for others who decide to use this plugin…some users may rather redirect back to home page instead of 404.

I dont know what would happen in the event of a real need for a 404 page when using the following (thats for others to provide insight into).

If you like the idea of redirecting unwanted logins back to homepage do the following;